# -*- coding:utf-8 -*-
# @Time: 2020/9/18 21:21
# @Author: 周铖鑫
# @Description：scatter散点图
# @File: UseScatter.py
import  matplotlib.pyplot as plt
import  numpy as np
n=1024
X=np.random.normal(0,1,n)
Y=np.random.normal(0,1,n)
T=np.arctan2(X,Y)#for color value
#plt.scatter(X,Y,s=75,c=T,alpha=0.5)
plt.scatter(np.arange(5),np.arange(5))
# plt.xlim((-1.5,1.5))
# plt.ylim((-1.5,1.5))
plt.xticks(())
plt.yticks(())
plt.show()